Home / 140,546.09-210,822.55-55,153.31

Finding the Fourth Proportional to 140,546.09, 210,822.55 and 55,153.31

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Solution

The fourth proportional to 140,546.09, 210,822.55 and 55,153.31 is: 82,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,546.09 : 210,822.55 = 55,153.31 : x
  2. Step 2: Convert to fraction form
    140,546.09/210,822.55 = 55,153.31/x
  3. Step 3: Cross multiply
    140,546.09x = 210,822.55 × 55,153.31
  4. Step 4: Simplify right side
    140,546.09x = 11,627,560,263.14
  5. Step 5: Solve for x
    x = 11,627,560,263.14/140,546.09
  6. Step 6: Final answer
    x = 82,731.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.